Provided is a solid preparation which rapidly disintegrates in the presence of saliva or a small amount of water in the oral cavity, particularly, a rapidly disintegrating solid preparation useful as an orally-disintegrating solid preparation.Specifically provided is a rapidly disintegrating solid preparation containing coated granules wherein saccharide or sugar alcohol having an average particle size of not less than 75 μm and a high dissolution rate is coated with cellulose, and a rapidly disintegrating solid preparation containing a) an active ingredient, b) saccharide or sugar alcohol having an average particle size of not less than 400 μm, c) cellulose and d) a disintegrant.
